The Dell Inspiron 7559 does not have usb C port and the ram is ddr3 but have better battery .... Acer Aspire V15 Nitro Black Edition VN7-592G-71ZL Gaming Laptop 6th Generation Intel Core i7 6700HQ (2.60 GHz) 8 GB Memory 1 TB HDD NVIDIA GeForce GTX 960M 4 GB GDDR5 15.6" Windows 10 Home 64-Bit - Newegg.co . check this one also...